A11y changes for API council

Bug: 37749679
Bug: 37747749
Bug: 37737948
Bug: 37718183
Bug: 37720667
Bug: 37724600
Bug: 37708057

Test: Updating unit and cts tests, which still pass.
Change-Id: If28bdf985c4314e8e84dcd6510f406dd4e80dd38